- GET /companies/:companyId/messages/search: FTS search with ZodError 400 guard
- POST /conversations/:id/bookmarks: toggle bookmark with UUID validation
- GET /companies/:companyId/bookmarks: list bookmarks with optional conversationId filter
- POST /conversations/:id/branch: branch conversation from message point
- GET /conversations/:id/branches: list child conversations
- GET /conversations/:id/export: download Markdown or JSON with Content-Disposition header
- POST /conversations/:id/handoff: resolves companyId, inserts handoff
message, creates issue from spec, inserts task_created message
- POST /conversations/:id/status-update: inserts status_update message
- Import issueService and handoffSchema; instantiate issueSvc in chatRoutes
- Both routes use assertBoard for authentication
- Add editMessage, truncateMessagesAfter, streamEcho methods to chatService
- Add POST /conversations/:id/stream SSE endpoint with flushHeaders before loop (PERF-02)
- Add PATCH /conversations/:id/messages/:msgId for message editing
- Add DELETE /conversations/:id/messages/after/:msgId for message truncation
- Import gt from drizzle-orm for createdAt comparison in truncateMessagesAfter
- Guard all res.write() calls with res.writable check (prevents write-after-end)
- Add ilike import and search/agentId conditions in chatService.listConversations
- Extract search and agentId from req.query in GET /conversations route
- Extend chatApi.listConversations opts with search and agentId params
- Update useChatConversations to accept opts.search and include in queryKey
- chatRoutes factory with 7 REST endpoints for conversations and messages
- All routes gated by assertBoard; company-scoped routes also use assertCompanyAccess
- Mounted as api.use(chatRoutes(db)) after activityRoutes in app.ts
- Export createConversationSchema/updateConversationSchema/createMessageSchema
from @paperclipai/shared (were missing from main package index)
- 11 vitest route tests passing
